Which accounting software is best for a small business in India in 2026?

It depends on who operates it. If the owner does the books without accounting knowledge, Karr is built exactly for that (guided entry, automatic GST/TDS treatment, works offline, free to start). If a CA or trained operator runs your books on a desktop, TallyPrime remains the most familiar choice. Zoho Books suits businesses already on the Zoho suite.

What changed in GST that my billing software must handle in 2026?

GST 2.0. From 22 September 2025 the old 0/5/12/18/28% structure was replaced by two main slabs — 5% and 18% — plus a 40% rate on luxury and sin goods. Software still defaulting items to 12% or 28% will produce wrong invoices.

Do I need e-invoicing?

Yes, if your aggregate turnover has exceeded ₹5 crore — B2B invoices then need an IRN generated on the e-invoice portal. Good software creates the IRN at billing time instead of leaving it as a separate chore.

When must a small business register for GST?

At ₹40 lakh turnover for goods or ₹20 lakh for services (₹20 lakh / ₹10 lakh in special-category states). Software that watches your rolling 12-month turnover can warn you before you cross the line unregistered.

Is free accounting software good enough to start?

Often, yes. Karr has a free plan intended for exactly this. Start free, and pay only when you need deeper features — rather than committing to a licence before you know what you need.

What is the MSME 45-day payment rule and why should software track it?

If you buy from an Udyam-registered micro or small vendor and do not pay within 45 days (with a written agreement; 15 days without), the expense is disallowed for that financial year until you actually pay — a rule that arrived as s.43B(h) and continues under the Income-tax Act 2025. Software should age every MSME bill and warn you before the deadline costs you the deduction.

Can cloud accounting software work without internet?

Most cannot — the browser tab simply stops working. Karr is an offline-first PWA: billing and books keep working with no connection and sync when you are back online, which matters at shop counters and in tier-2/3 towns.

Best Accounting Software for Small Business in India (2026): An Honest Comparison

TL;DR: For most Indian small businesses in 2026 the honest answer is: Karr if the owner runs the books (guided entry, automatic GST 2.0 and TDS handling, works offline, free to start); TallyPrime if a trained operator or your CA runs a desktop setup; Zoho Books if you live inside the Zoho suite; Vyapar for phone-first billing; Busy for desktop inventory depth.

Last updated: July 2026

What your accounting software must handle in 2026

Three compliance shifts define this year's software choice: GST 2.0 replaced the old slabs with 5% and 18% (plus 40% for luxury/sin goods) from 22 September 2025; income-tax now runs on the Income-tax Act 2025, which renumbered every TDS section your software references; and e-invoicing applies once turnover crosses ₹5 crore. A tool that has not kept up will bill the wrong tax and deduct under sections that no longer exist.

Concretely, that means:

GST 2.0 slabs — items that carried 12% or 28% now fall under 5%, 18% or the 40% rate. Your item masters need this handled, not hand-patched.
TDS under the 2025 Act — professional fees are deducted under s.393(1) Table Sl.6(iii) (₹50,000/year threshold, 10%), contractors under Sl.6, purchase of goods above ₹50 lakh under Sl.8(ii) at 0.1%. Software still printing 1961-Act section numbers on certificates is a red flag.
MSME 45-day rule — unpaid bills from Udyam-registered micro/small vendors beyond 45 days are disallowed as expenses until paid (the old s.43B(h), carried into the 2025 Act). This needs live ageing, not a year-end surprise.
The ₹2,00,000 cash bar — receiving ₹2 lakh or more in cash from one person in a day, transaction or event attracts a 100% penalty (old s.269ST, now ss.185–188 of the 2025 Act). Good software refuses the entry before you make the mistake.

The comparison

Capability (2026)	Karr	TallyPrime	Zoho Books	Vyapar	Busy
Runs in browser, no install	Yes	No (desktop)	Yes	Partly (app-first)	No (desktop)
Works fully offline	Yes (offline-first PWA)	Yes (desktop)	No	Yes (mobile)	Yes (desktop)
Usable without accounting knowledge	Yes — guided "What Happened?" wizard	No — voucher-based	Partly	Yes (billing-level)	No
GST 2.0 slab handling	Automatic at posting	Yes	Yes	Yes	Yes
e-Invoice (IRN) at billing time	Yes	Yes	Yes	Yes	Yes
TDS under Income-tax Act 2025	Automatic, with threshold warnings	Manual setup	Partial	Limited	Manual setup
MSME 45-day bill ageing warnings	Built-in	Report-based	Limited	No	Report-based
Preventive compliance alerts before posting	Yes	No	Limited	No	No
CA multi-client dashboard	Yes	Via CA's own setup	Yes (advisor view)	No	No
AI receipt scanning	Yes	No	Yes (paid tiers)	No	No
Free to start	Yes — free plan	No	Trial + free tier limits	Free tier	No

Karr — best when the owner runs the books

Karr is built around one idea: you should not need to know accounting to keep correct books. Its "What Happened?" wizard asks plain questions — I sold something, I paid someone, money came in — and posts the correct double-entry with the right GST 2.0 treatment behind the scenes. The compliance engine works preventively: it warns about TDS thresholds, MSME bill ageing and the ₹2 lakh cash bar before you post, not after your CA finds it at filing time. It is an offline-first PWA, so the counter keeps billing when the internet drops, and it starts free ($0), with Pro at $12/month and Business at $29/month. It was built by a practicing Chartered Accountant. Where it is weaker: if your operator already lives in Tally's keyboard flow, a browser UI is a change of habit.

Start free with Karr →

TallyPrime — best for CA-driven desktop setups

Tally is everywhere: practically every CA in India can work with a Tally backup, data-entry operators know its keyboard shortcuts blind, and its desktop engine is fast and mature. If your books are run by a trained operator and reviewed by a CA who prefers Tally, it remains a sound, defensible choice. Its trade-offs are structural: it is desktop software (remote access needs workarounds), and it assumes voucher-and-ledger fluency — a non-accountant owner cannot safely drive it.

Zoho Books — best inside the Zoho suite

Zoho Books is a polished cloud product with strong integrations across Zoho's CRM, inventory and payroll apps. If your business already runs on Zoho, Books is the natural fit. It is GST-capable and improving steadily. Its limits for this list: core flows need connectivity, and while simpler than Tally, it still speaks accountant (chart of accounts, journals) rather than plain language.

Vyapar — best for phone-first billing

Vyapar made its name letting shopkeepers bill from a phone, offline, in Hindi and English. For pure billing + basic records at a counter, it is genuinely convenient. It is not a full double-entry accounting system with TDS depth or CA collaboration — many Vyapar users graduate to a fuller system as they grow.

Busy — best for desktop inventory depth

Busy has a loyal base among traders and distributors for granular inventory features on the desktop. Like Tally it expects a trained operator, and remote/multi-branch access is more work than with cloud tools.

How to choose in five minutes

Answer two questions. Who will operate it? If the owner: Karr or Vyapar; if an operator/CA: TallyPrime or Busy; if a Zoho-suite business: Zoho Books. What breaks your current setup? Internet cuts at the counter → Karr or Vyapar (offline). Compliance surprises at filing time → Karr (preventive warnings). Deep inventory on desktop → Busy or TallyPrime.

If you want correct books without learning accounting — with GST 2.0, the 2025 Act's TDS and the MSME clock handled for you — try Karr free. Your CA can review everything from the practice dashboard.